/**
  * @author Zhao Li
  * @date 2016/8/26
  * @section 一些公用方法
  */


/* @section 清除浮动*/
@mixin clearfix() {
    &:before, &:after {
      content: " ";
      display: table;
    }
    &:after {
      clear: both;
    }
  }

  